Journal article
Relative and absolute reliability of functional performance measures for adults with dementia living in residential aged care
International Psychogeriatrics, Vol.26(10), pp.1659-1667
2014
Abstract
Background: This pilot investigation aimed to assess the relative and absolute test-retest reliability of commonly used functional performance measures in older adults with dementia residing in residential aged care facilities. Methods: A total of 12 participants were tested on the Short Physical Performance Battery (SPPB), the Balance Outcome Measure for Elder Rehab (BOOMER), hand grip strength, anthropometric measures and Bio-electric Impedance Analysis (BIA). This study utilized a seven-day test-retest evaluation. Intra-class Correlation Coefficients (ICC) were used to assess relative reliability, Typical Error of Measurement (TEM) was used to assess the absolute reliability, and Bland-Altman plots were used to assess group and individual levels of agreement. Results: With the exception of Standing Balance (ICC = 0.49), 2.4-m walk (ICC = 0.68), functional reach (ICC = 0.38), and static timed standing (ICC = 0.47), all measures demonstrated acceptable (>0.71) ICCs. However, only the anthropometric measures demonstrated acceptable levels of absolute reliability (>10% TEM). Bland-Altman analysis showed non-significant (p > 0.05) mean differences, and eight out of the 17 measures showing wide Limits of Agreement (LoA). Conclusions: Current measures of functional performance are demonstrably inappropriate for use with a population of older adults with dementia. Authors suggest aligning current measurement strategies with Item Response Theory as a way forward.
Details
- Title
- Relative and absolute reliability of functional performance measures for adults with dementia living in residential aged care
- Authors
- Benjamin Fox (Author) - University of QueenslandTimothy Henwood (Author) - University of QueenslandChristine Neville (Author) - University of QueenslandJustin W L Keogh (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
- Publication details
- International Psychogeriatrics, Vol.26(10), pp.1659-1667
- Publisher
- Cambridge University Press
- Date published
- 2014
- DOI
- 10.1017/S1041610214001124
- ISSN
- 1041-6102
- Organisation Unit
- University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99448778902621
- Output Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web Of Science research areas
- Geriatrics & Gerontology
- Gerontology
- Psychiatry
- Psychology
- Psychology, Clinical
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Source: InCites